10
votes
GRUB 2 error – "fb: switching to radeondrmfb from EFI VGA"
There seems to be a problem with the radeon driver when booting. You can test a fix by doing this:
When you see the grub menu, press 'e', which will allow you to edit the entry.
Go to the line with "...
- 101
8
votes
Accepted
MacBook Pro Screen Flickering when using HDMI to VGA adapter to connect to external monitor
The MacBook Pro's HDMI port has a DVI-D implementation. This means it has no analog signal, which is what VGA relies on to connect. More information here: apple support forums . Apple supplies an HDMI ...
- 2,113
6
votes
Macbook pro 16 inch 2019 noisy display in chrome after waking up from sleep
This bug has been reported to the Chromium team since 06/04/2020.
Impacted Apps
This seems to affect all Chromium-based applications include Google Chrome, Brave, Electron, and probably others.
...
- 1,671
6
votes
Accepted
Connect two monitors using DVI and/or VGA to USB-C
It is possible to connect a VGA and a DVI display to one USB-C port on the MacBook, but you need two USB-C adapters in a daisy-chain fashion and a HDMI-DVI adapter.
First you connect the USB-C ...
- 1,431
4
votes
HDMI VGA projector cannot connect to Macbook Pro
On my 2014 MacBook Pro with 2 Thunderbolt ports I found HDMI port to HDMI-VGA adapter did not work, but if I used my Thunderbolt to HDMI adapter then plugged the HDMI to VGA adapter into that, the VGA ...
- 41
3
votes
Accepted
Connect 2 external monitors (1 VGA + 1 HDMI) to MacBook Pro
With that adapter, you can only use 1 video output at a time. From the product description in the link you provided:
Alternative Video Outputs: Connect a display to your computer using
either ...
- 98.7k
3
votes
Connect two monitors using DVI and/or VGA to USB-C
I highly recommend a thunderbolt dock to do this. In my experience it isn't possible to daisy chain the adapters as described in one of the other answers. In fact, the port they are using to daisy ...
- 91
2
votes
Accepted
Late 2011 13" MacBook Pro doesn't detect external monitor anymore on Mavericks
Seeing that this question has become popular, I will tell you how I resolved the issue...
I was using a fake adaptor, but it worked with Mac OS X flawlessly for two years. Strangely, it only works ...
- 151
2
votes
HDMI VGA projector cannot connect to Macbook Pro
I don't know which product you have, but I own an Insignia HDMI to VGA adapter. There's a micro-USB port on the adapter which I need to plug into a power source, and it then works.
I just plug it ...
- 53
2
votes
Accepted
using mac book pro (mid 2010) as monitor for a DVR
You'd just be better off buying another monitor, as that is Mini-DVI out not in. I'm sure that there are ways around this, but buying a separate monitor would be way easier.
- 6,107
2
votes
Accepted
Unknown port - Looking for a VGA converter
That looks like a white MacBook Core Duo 13-inch, and while I have not seen one of those for a while (congrats on keeping it running!) I believe that is what is called a mini-DVI port.
So a search ...
- 22.8k
2
votes
GRUB 2 error – "fb: switching to radeondrmfb from EFI VGA"
Once in GRUB press the e key. We’re now going to disable the AMD graphics card while we boot into the Ubuntu Live CD. Look for the line set gfxpayload=keep. Once you’ve found it, type the following ...
- 21
1
vote
MacBook Air 2020 - Unable to Connect to External Monitor
Using two or more adapters in series is not recommended. While not dangerous, they rarely work, or at best, work badly. Find the right adapter for your needs.
I've used this Belkin adapter and this ...
- 19k
1
vote
External display connected via USB-C > VGA goes to endless sleep/wake loop
I just had to put the mac in to sleep using external display. Also closing the LID won't work, you have to sleep the external display first, then you can close the LID.
- 478
1
vote
Connect two monitors using DVI and/or VGA to USB-C
You can use KVM VGA Switch to Connect one display to multiple PC's / Laptop's
(source: hdcabling.co.za)
1
vote
Connect two monitors using DVI and/or VGA to USB-C
I use a number of older DVI monitors; DVI <-> hdmi adapters (which are passive devices) are readily available for a couple of dollars, as are DVI <-> hdmi cables (for about the same price as a ...
- 7,860
1
vote
Connect 2 external monitors (1 VGA + 1 HDMI) to MacBook Pro
It isn't possible to use the HDMI and VGA port simultaneously with Aukey multiport adapter.
You'll have to look for an alternative. It is advisable to go with 1st party cables and adaptors for the ...
- 51.2k
1
vote
Display sizes being recognised incorrectly
The resolution is what determines the ‘size’ in the arrangement tab. In the photo, the middle monitor's resolution is so much less than the other displays. To adjust the resolution, go to the Display ...
grg♦
- 199k
1
vote
Can I have different audio come out of my computer and monitor?
HDMI (unlike VGA) combines audio and visual in a single cable — VGA just does visual.
Your monitor was using the audio jack as an input, and playing sound from the source connected there (music ...
- 1,882
1
vote
GRUB 2 error – "fb: switching to radeondrmfb from EFI VGA"
If you have a graphics card in pull it out and use the integrated graphics controller. If you dont have an integrated one try another card.
- 11
1
vote
Mini Thunderbolt to VGA not showing video on external monitor but Mac says it is
The problem that you are facing is simple to fix. Actually there is no inbuilt Thunderbolt to VGA drive inside a MacBook/Mac mini. So what you should do is install a Mini DisplayPort to VGA Firmware ...
1
vote
Secondary display with VGA connection resolution issue with Macbook Pro under Snow Leopard
I had this issue with a MBP Retina mid 2012 as I often plug and unplug my laptop from my workstation. The simple solution is to unplug the VGA adaptor from your Mac and the cable and try again. That ...
- 11
Only top scored, non community-wiki answers of a minimum length are eligible